Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11705720 | Drain current sensing and fault protection circuit based on gate voltage for gate current driven field effect transistors | Fei Wang | 2023-07-18 |
| 11342740 | Drain current sensing and fault protection circuit based on gate voltage for gate current driven field effect transistors | Fei Wang | 2022-05-24 |
| 6372052 | Portable combustion-driven H.V.A.C. duct cleaning system | — | 2002-04-16 |
| 6035484 | H.V.A.C. duct cleaning system compressor | — | 2000-03-14 |
| 5966773 | H.V.A.C. duct cleaning system | — | 1999-10-19 |
| 5724701 | H.V.A.C. duct cleaning system | — | 1998-03-10 |
| 4354707 | Pick-up camper locating and holddown assembly | — | 1982-10-19 |